Home / 56,720.03-78,270.54-31,225.41

Finding the Fourth Proportional to 56,720.03, 78,270.54 and 31,225.41

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Solution

The fourth proportional to 56,720.03, 78,270.54 and 31,225.41 is: 43,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,720.03 : 78,270.54 = 31,225.41 : x
  2. Step 2: Convert to fraction form
    56,720.03/78,270.54 = 31,225.41/x
  3. Step 3: Cross multiply
    56,720.03x = 78,270.54 × 31,225.41
  4. Step 4: Simplify right side
    56,720.03x = 2,444,029,585.33
  5. Step 5: Solve for x
    x = 2,444,029,585.33/56,720.03
  6. Step 6: Final answer
    x = 43,089.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.